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144892292 = 22172130769
BaseRepresentation
bin10001010001011…
…10000110000100
3101002122021212012
420220232012010
5244043023132
622213313352
73406364336
oct1050560604
9332567765
10144892292
11748737a6
1240635858
13240310ac
1415359456
15cac10b2
hex8a2e184

144892292 has 12 divisors (see below), whose sum is σ = 268477020. Its totient is φ = 68184576.

The previous prime is 144892291. The next prime is 144892313. The reversal of 144892292 is 292298441.

It can be written as a sum of positive squares in 2 ways, for example, as 74063236 + 70829056 = 8606^2 + 8416^2 .

It is not an unprimeable number, because it can be changed into a prime (144892291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065317 + ... + 1065452.

It is an arithmetic number, because the mean of its divisors is an integer number (22373085).

Almost surely, 2144892292 is an apocalyptic number.

It is an amenable number.

144892292 is a deficient number, since it is larger than the sum of its proper divisors (123584728).

144892292 is a wasteful number, since it uses less digits than its factorization.

144892292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130790 (or 2130788 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 144892292 is about 12037.1214166843. The cubic root of 144892292 is about 525.2286737761.

The spelling of 144892292 in words is "one hundred forty-four million, eight hundred ninety-two thousand, two hundred ninety-two".

Divisors: 1 2 4 17 34 68 2130769 4261538 8523076 36223073 72446146 144892292